package com.example.crowdfundingadminspringboot.service;

import com.example.crowdfundingadminspringboot.common.CrowdFundingUtils;
import com.example.crowdfundingadminspringboot.mapper.AdminMapper;
import com.example.crowdfundingadminspringboot.pojo.Admin;
import com.example.crowdfundingadminspringboot.pojo.AdminExample;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;
import java.util.Objects;

@Service("adminService")
public class AdminServiceImpl implements AdminService{
    
    @Resource
    AdminMapper adminMapper;
    
    
    //根据id查询用户
    @Override
    public Admin selectById(Integer id) {
        return adminMapper.selectById(id);
    }
    
    /**
     * 登录
     * @param loginAcct
     * @param userPswd
     * @return 用户名密码争取返回Admin对象，否则返回null
     */
    @Override
    public Admin login(String loginAcct, String userPswd) {
        Admin admin=null;
        //连接数据库获取admin对象
        AdminExample adminExample=new AdminExample();
        AdminExample.Criteria criteria = adminExample.createCriteria();
        criteria.andLoginAcctEqualTo(loginAcct);
        
        List<Admin> list = adminMapper.selectByExample(adminExample);
        if (CrowdFundingUtils.collectionEffective(list)){
            admin=list.get(0);
            //对明文进行加密
            String md5userPswd = CrowdFundingUtils.md5(userPswd);
            //对比密文
            if (md5userPswd.equals(admin.getUserPswd())){
                return admin;
            }else{
                admin=null;
            }
        }
        
        return admin;
    }
    
    @Override
    public PageInfo<Admin> queryForKeywordSearch(Integer pageNum, Integer pageSize, String keyword) {
        PageHelper.startPage(pageNum,pageSize);
        PageInfo<Admin> pageInfo=null;
        if (keyword!=null&&keyword.length()>0){
            AdminExample example=new AdminExample();
            AdminExample.Criteria criteria = example.createCriteria();
            criteria.andLoginAcctLike("%"+keyword+"%");
            
            AdminExample.Criteria criteria2=example.createCriteria();
            criteria2.andUserNameLike("%"+keyword+"%");
            example.or(criteria2);
            
            AdminExample.Criteria criteria3=example.createCriteria();
            criteria3.andEmailLike("%"+keyword+"%");
            example.or(criteria3);
            List<Admin> list=adminMapper.selectByExample(example);
            pageInfo=new PageInfo<>(list);
        }else{
            List<Admin> list=adminMapper.selectByExample(null);
            pageInfo=new PageInfo<>(list);
        }
        return pageInfo;
    }
    
    @Override
    public void batchRemove(List<Integer> adminIdList) {
        AdminExample example=new AdminExample();
        AdminExample.Criteria criteria = example.createCriteria();
        criteria.andIdIn(adminIdList);
        
        adminMapper.deleteByExample(example);
    }
    
    @Override
    public void saveAdmin(Admin admin) {
        String userPswd = admin.getUserPswd();
        userPswd = CrowdFundingUtils.md5(userPswd);
        admin.setUserPswd(userPswd);
        // 执行保存
        adminMapper.insert(admin);
    }
    
    @Override
    public Admin getAdminById(Integer adminId) {
        return adminMapper.selectByPrimaryKey(adminId);
    }
    
    @Override
    public void updateAdmin(Admin admin) {
        // 对密码进行加密
        if (CrowdFundingUtils.stringEffective(admin.getUserPswd())){
            String userPswd = admin.getUserPswd();
            userPswd = CrowdFundingUtils.md5(userPswd);
            admin.setUserPswd(userPswd);
        }
        adminMapper.updateByPrimaryKeySelective(admin);
    }
    
    
    
    @Override
    public int countByExample(AdminExample example) {
        return 0;
    }
    
    @Override
    public int deleteByExample(AdminExample example) {
        return 0;
    }
    
    @Override
    public int deleteByPrimaryKey(Integer id) {
        return 0;
    }
    
    @Override
    public int insert(Admin record) {
        return 0;
    }
    
    @Override
    public int insertSelective(Admin record) {
        return 0;
    }
    
    @Override
    public List<Admin> selectByExample(AdminExample example) {
        return null;
    }
    
    @Override
    public Admin selectByPrimaryKey(Integer id) {
        return null;
    }
    
    @Override
    public int updateByExampleSelective(Admin record, AdminExample example) {
        return 0;
    }
    
    @Override
    public int updateByExample(Admin record, AdminExample example) {
        return 0;
    }
    
    @Override
    public int updateByPrimaryKeySelective(Admin record) {
        return 0;
    }
    
    @Override
    public int updateByPrimaryKey(Admin record) {
        return 0;
    }
    
}